The Sennheiser e 845S Pro Performance Vocal Microphone features a tight supercardioid pattern!The e 845S mic's neodymium element lets you break through the mix and get far more gain-before-feedback than with a cardioid microphone. Like the rest of the evolution Series, Sennheiser builds the e 845S microphone tough to handle the rigors of the road with aplomb. Sennheiser now includes a 10-year warranty with the e 845S Pro microphone! FEATURES Tight supercardioid pattern Neodymium element High gain-before-feedback 10-year warranty SPECIFICATIONS Pickup pattern: supercardioid Transducer: pressure gradient dynamic Frequency response: 40Hz-16kHz Sensitivity (free field, no load): 1.8mV/Pa =/-55dB (odB=1V/Pa) =/-75dB (odB=1V/bar) (USA) Nominal impedance at 1 kHz: 350 ohms Min terminating impedance: 1000 ohms Dimensions: 1-7/8" dia. x 7-1/3"L Weight: 11-2/3 oz. Model# 4516